Thorium Dioxide (ThO2) Powder from United States
Thorium dioxide (ThO2) powder, also known as thoria, is used in high-temperature ceramics and gas mantle production. As a chemically defined thorium compound, it falls under this tariff item.
Duty Rate — United States → Canada
PGA flags (2)Show detailsHide detailsCNSCImport ControlRequiredHCActive Pharmaceutical IngredientsMay be required
- CNSC
Import Control · Required
CANADIAN NUCLEAR SAFETY COMMISSION: CNSC Import Control (Controlled Nuclear Substance) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Starts With 28443).
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2844. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Provide a certificate of analysis confirming ThO2 purity
• Ensure the powder is not doped for electronics, which would fall under heading 38.18
• Check for any end-use restrictions under Canadian nuclear regulations